I saw that toy - Personally, I do not like the idea of encouraging
children to aim a light (low powered led) directly at one's eye...
Ezra
P Hubbard wrote:
I took my 5 year old niece to a McDonald's (in England) for a happy
meal today - Spiderwick Chronicles promotion. The toy's light effect
reminded me of a visual aid I saw to help introduce X-ray diffraction
and the crystal lattice to students. My niece was more interested in
using the visual effect to see if her toy was a goodie or baddie.
Cheers!
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